Divide-by-10 shunt for use with student's potentiometer
Divide-by-10 shunt by Educational Measurements Ltd., 1965-1975, for use with student's potentiometer type STD10
Student's potentiometer, type STD10, by JJ Instruments (Educational Measurements Ltd., Warsash, Southampton), 1965-1975
Divide-by-10 shunt by Educational Measurements Ltd., 1965-1975, for use with student's potentiometer type STD10
Divide-by-100 shunt by Educational Measurements Ltd., 1965-1975, for use with student's potentiometer type STD10